Centerpoint Energy - Mississippi River

Third Revised Volume No. 1

Effective Date: 03/01/2004, Docket: RP04-152-000, Status: Effective

First Revised Sheet No. 58A First Revised Sheet No. 58A : Effective

Superseding: Original Sheet No. 58A

RATE SCHEDULE PALS

PARK AND LOAN SERVICE

(continued)

2. APPLICABILITY AND CHARACTER OF SERVICE (continued)

(b) Parking: the receipt of Gas by MRT delivered (or deemed

transferred from an imbalance (over-received quantities) under

Customer's transportation agreement(s) or pool(s)) at point(s),

including pools, for Customer's account, the holding of the parked

quantities on MRT's system, and the subsequent withdrawal of the parked

quantities by Customer, or for its account, at the agreed upon time and

at the same point(s) or other mutually agreed upon point(s) on MRT's

system;

all such services to be in accordance with the applicable PALS Service

Agreement.

2.3 Service under this Rate Schedule shall be rendered on an

interruptible basis and shall be subject to allocation of capacity and

curtailment procedures as set forth in this rate schedule. Service may be

interrupted whenever necessary to provide a higher priority service, or to

maintain the integrity of MRT's system or any part thereof.

2.4 Customer may request a service option under which imbalances

occurring at any time under one or more of its other transportation service

agreements will be deemed activity into or out of the appropriate account

under a PALS Service Agreement without the need for a separate nomination.

Election of this option shall be designated on the PALS Service Agreement

together with applicable quantities, points, time periods and/or other

operational parameters related to such automatic activity. The provision of

this service option shall be subject to suspension or other limitations as

required during actions taken pursuant to Section 9 of the General Terms and

Conditions.